2748699140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1965

約数の個数: 96

約数和(自身を含む): 6452006400

約数和(自身を除く): 3703307260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 89, 110, 158, 178, 220, 316, 356, 395, 445, 790, 869, 890, 979, 1580, 1738, 1777, 1780, 1958, 3476, 3554, 3916, 4345, 4895, 7031, 7108, 8690, 8885, 9790, 14062, 17380, 17770, 19547, 19580, 28124, 35155, 35540, 39094, 70310, 77341, 78188, 97735, 140383, 140620, 154682, 158153, 195470, 280766, 309364, 316306, 386705, 390940, 561532, 632612, 701915, 773410, 790765, 1403830, 1544213, 1546820, 1581530, 1739683, 2807660, 3088426, 3163060, 3479366, 6176852, 6958732, 7721065, 8698415, 12494087, 15442130, 17396830, 24988174, 30884260, 34793660, 49976348, 62470435, 124940870, 137434957, 249881740, 274869914, 549739828, 687174785, 1374349570, 2748699140]

約数ペア:

[(1, 2748699140), (2, 1374349570), (4, 687174785), (5, 549739828), (10, 274869914), (11, 249881740), (20, 137434957), (22, 124940870), (44, 62470435), (55, 49976348), (79, 34793660), (89, 30884260), (110, 24988174), (158, 17396830), (178, 15442130), (220, 12494087), (316, 8698415), (356, 7721065), (395, 6958732), (445, 6176852), (790, 3479366), (869, 3163060), (890, 3088426), (979, 2807660), (1580, 1739683), (1738, 1581530), (1777, 1546820), (1780, 1544213), (1958, 1403830), (3476, 790765), (3554, 773410), (3916, 701915), (4345, 632612), (4895, 561532), (7031, 390940), (7108, 386705), (8690, 316306), (8885, 309364), (9790, 280766), (14062, 195470), (17380, 158153), (17770, 154682), (19547, 140620), (19580, 140383), (28124, 97735), (35155, 78188), (35540, 77341), (39094, 70310)]